diff -Nur php-7.0.3.orig/ext/standard/basic_functions.c php-7.0.3-aix/ext/standard/basic_functions.c
--- php-7.0.3.orig/ext/standard/basic_functions.c	2016-02-02 17:32:29 +0100
+++ php-7.0.3-aix/ext/standard/basic_functions.c	2016-03-11 13:45:55 +0100
@@ -3955,6 +3955,17 @@
 	if (addr_len == 0 || inet_pton(AF_INET, addr, &ip) != 1) {
 		RETURN_FALSE;
 	}
+#ifdef _AIX
+	/*
+	AIX accepts IP strings with excedentary 0 (192.168.042.42 will be treated as
+	192.168.42.42), while Linux don't.
+	For consistency, we convert back the IP to a string and check if it is Ãequal to
+	the original string. If not, the IP should be considered invalid.
+	*/
+	if (strcmp(addr, inet_ntoa(ip)) != 0) {
+		RETURN_FALSE;
+	}
+#endif
 	RETURN_LONG(ntohl(ip.s_addr));
 #else
 	if (addr_len == 0 || (ip = inet_addr(addr)) == INADDR_NONE) {
#@@ -5560,6 +5571,15 @@
 
# 	serv = getservbyname(name, proto);
 
#+#if defined(_AIX)
#+	/*
#+        On AIX, imap is only known as imap2 in /etc/services, while on Linux imap is an alias for imap2.
#+        If a request for imap gives no result, we try again with imap2.
#+        */
#+	if (serv == NULL && strcmp(name,  "imap") == 0) {
#+		serv = getservbyname("imap2", proto);
#+	}
#+#endif
# 	if (serv == NULL) {
# 		RETURN_FALSE;
# 	}